form-4
Published analysis tagged with this topic.
NVIDIA cluster buy: three directors add after the pullback
Three NVIDIA directors filed open-market purchases within the same week after a multi-session drawdown. We unpack the Form 4 codes, stake impact, and how the Greediness Score weights the cluster.
First Merchants CEO buys ~$916k: reading a 95 Greediness Form 4
First Merchants CEO Mark K. Hardwick reported buying about 21,000 shares near $43.63 (~$916k) on August 3, 2026. The filing scored 95 on the Greediness Score. Here is the structural reading - and the limits.
Shenandoah Telecommunications: six directors buy the same day
On August 3, 2026, six different Shenandoah Telecommunications (SHEN) directors filed buys at $11.99. Scores ranged from 68 to 76. Here is how to read a broad director cluster without overstating conviction.
Legato Merger Corp IV: CEO, CFO, and COO filings with $0 prices
Legato Merger Corp. IV (LEGO) showed a same-day CEO/CFO/COO "buy" cluster with reported prices of $0.00 and Strong-band scores up to 84. This case study shows why zero-price SPAC Form 4s need a different reading than open-market cash buys.
Jefferies CEO buys ~$4.0m: a same-day CEO and CFO Form 4
Jefferies Financial Group CEO Richard B. Handler reported buying about 75,531 shares at $53.09 (~$4.01 million) on August 28, 2026. The same day, CFO Matthew S. Larson bought 746 shares at the same price. Here is the structural reading.
Biomerica: CEO and vice chairman buy the same $1.60 print
Biomerica (BMRA) CEO Zackary S. Irani reported buying 31,250 shares at $1.60 ($50,000) on August 26, 2026. Executive Vice Chairman Allen Barbieri reported 20,000 shares at the same price. Both scored 82. Here is how to read a small-cap dual buy.
Chicago Atlantic REFI: executive chairman buys ~$429k
Chicago Atlantic Real Estate Finance (REFI) Executive Chairman John Mazarakis reported buying about 40,181 shares at $10.67 (~$429,000) on August 26, 2026, scored 86. Here is the structural reading, including what a Form 4 does not say about a pending merger.
What is a Form 4? How to read SEC insider transaction filings
A Form 4 is the SEC filing a company insider must submit within two business days of trading their company stock. Here is how to read who filed, which transaction codes carry information, and what a Form 4 does not tell you.
What does a cluster buy mean, and when does it matter?
A cluster buy is when three or more different insiders of the same company buy its stock within a short window. Here is what that structure can mean, when it is mechanical noise, and how Greedy Insider scores it.
What is a 10b5-1 trading plan? How prearranged insider trades work
A 10b5-1 plan lets an insider schedule trades in advance and claim an affirmative defense against insider trading claims. Here is how the plans work, what the Form 4 checkbox tells you, and why a planned sale reads differently from a cash open-market buy.
Form 3 and Form 5, explained: the Section 16 filings around a Form 4
Form 3 is the starting holdings report when someone becomes an insider. Form 5 is the annual catch-up for certain small or exempt transactions. Here is how they fit next to Form 4, what they establish, and what they do not.
Why insider buys carry more information than insider sales
Insiders sell for taxes, diversification, 10b5-1 calendars, and liquidity. They usually buy with cash for one reason. Here is why the Form 4 tape is asymmetric, and how Greedy Insider uses that without pretending sales are worthless.
Direct vs indirect ownership on Form 4: whose money is actually in the trade?
A Form 4 can report shares held directly by the insider or indirectly through a trust, spouse, or entity. Here is how to read that field, why direct cash buys usually carry more information, and what indirect ownership does not hide.